Protection type film positioning mechanism of film silk screen printing machine
Technical Field
The invention relates to the technical field of thin film screen printing machines, in particular to a protective thin film positioning mechanism of a thin film screen printing machine.
Background
The film silk screen printing machine uses the microcomputer control system to digital circuit is the silk screen printing equipment of master control and automatic brake clutch system, and its complete machine is more stable, and printing is accurate and the operation is safe, receives user's popularization and liking deeply, and film silk screen printing machine needs the corresponding film positioning mechanism of adaptation to carry out location work to the material in the course of the work, but film positioning mechanism of current film silk screen printing machine still has certain defect, just for example:
1. the film positioning mechanism of the existing film screen printing machine cannot stably realize the self-limiting working effect on the materials to be processed, the manual complicated operation of a user is needed, and meanwhile, the positioning quality of the film positioning mechanism has certain defects, so that the operation of the user is inconvenient;
2. the film positioning mechanism of the existing film screen printing machine cannot effectively perform protective positioning work on materials in the working process of limiting the materials, so that the adverse phenomenon of damage to the materials is easily caused under the condition of large pressing degree, and certain use defects exist.
In order to solve the problems, innovative design is urgently needed on the basis of the structure of the original positioning mechanism.
Disclosure of Invention
The invention aims to provide a protective film positioning mechanism of a film screen printer, which aims to solve the problem that the work effect of self-limiting on materials to be processed cannot be stably realized, the manual complicated operation of a user is required, the positioning quality of the positioning mechanism has certain defects, the inconvenience is brought to the operation of the user, the protective positioning work cannot be effectively carried out on the materials in the working process of limiting the materials, and the materials are easily damaged under the condition that the pressure application degree is large.
In order to achieve the purpose, the invention provides the following technical scheme: a protective film positioning mechanism of a film screen printer comprises a base, a preset part, a guide rack, a fixed block and a contact block, wherein a supporting seat is fixedly connected to the upper end of the base, a first air cylinder is installed on an upper end bolt of the supporting seat, the preset part is fixedly connected to the output end of the first air cylinder, a second air cylinder is installed on a rear end bolt of the base, a movable seat is fixedly connected to the lower portion of the output end of the second air cylinder and is connected with the lower end of the base, a containing groove is formed in the inner side of the movable seat, the guide rack is installed on the outer side of the containing groove in a nested mode, a first air bag is connected to the inner side of the containing groove in a bonding mode and is connected with the lower end of the guide rack, a limiting block is fixedly connected to the upper end of the guide rack, the fixed block is fixedly connected to the upper end of the, the upper end of the movable seat is connected with a third air bag in an adhering mode, the third air bag is communicated with the first air bag, the inner side bearing of the movable seat is connected with a transmission gear, the inner end of the transmission gear is fixedly connected with a first torsion spring, the first torsion spring is connected with the inner side of the movable seat, a traction rope is embedded at the shaft end of the transmission gear, the lower end of the traction rope is connected with the upper end of the base, the inner end of the supporting seat is connected with a second air bag in an adhering mode, an air supply hose penetrates through the upper end of the second air bag, a guide groove is formed in the inner surface of the supporting seat, a corrugated pipe is connected with the inner side of the guide groove in an adhering mode, the corrugated pipe is connected with the air supply hose, a guide block is embedded in the inner side of the guide groove, the inner end of the guide block is connected with, the outer end of the touch block is connected with the outer end of the guide block, the through hole is formed in the lower end of the supporting seat, the through hole is connected with the lower end of the touch block, a reset spring is fixedly connected to the outer side of the lower end of the touch block, and the reset spring is connected with the inner side of the through hole.
Preferably, the movable seat forms a telescopic structure with the outer side of the support seat through the second cylinder, the movable seat forms an elastic structure with the transmission gear through the first torsion spring, and the transmission gear forms a rotating structure with the upper end of the base through the traction rope.
Preferably, the guide rack and the limiting block are of an integrated structure, the limiting block forms a telescopic structure through the guide rack and the inner side of the movable seat, and the lower end of the guide rack forms a magnetic structure through the magnet and the first air bag.
Preferably, the first air bag is provided with an air transmission channel and an adhesive layer, the outer end of the first air bag is provided with the air transmission channel in a penetrating mode, the inner side of the edge end of the air transmission channel is connected with the adhesive layer in an adhesive mode, and the outer end of the air transmission channel is connected with the inner side of the third air bag.
Preferably, the inner sides of the side ends of the gas transmission channels are provided with 4 bonding layers at equal angles, the outer surfaces of the bonding layers are attached to each other, and the bonding layers are made of elastic silica gel.
Preferably, the stopper is provided with connecting piece, second torsional spring and rubber circle, and the inner bearing of stopper is connected with the connecting piece to the axle head fixedly connected with second torsional spring of connecting piece, the end rotation of connecting piece is connected with the rubber circle simultaneously.
Preferably, the connecting piece is of an inclined structure in the front view, the connecting piece forms a rotating elastic structure through the inner surface of the second torsion spring and the limiting block, and the outer surface of the rubber ring at the lower end of the connecting piece is attached to the upper end face of the movable seat.
Preferably, the guide block all is wedge column structure with the conflict piece orthographic view, and the surface of guide block and the surface of conflict piece laminate mutually to the guide block passes through the bellows and constitutes extending structure with the inboard of supporting seat.
Preferably, the contact block forms a telescopic structure with the inner side of the through hole through a return spring, and the lower end face of the contact block is attached to the upper end face of the movable seat.
Compared with the prior art, the invention has the beneficial effects that: a protective film positioning mechanism of the film screen printing machine;
1. the limiting blocks are symmetrically distributed, when the movable seat is driven by a preset cylinder to contact with a preset part, a transmission gear butted with the inner side of the movable seat through a traction rope is stressed to perform angular rotation work, so that the corresponding limiting blocks in meshing contact are driven to move downwards, the outer ends of the materials are forced by matching with inclined connecting pieces which are equidistantly distributed on the inner side of the inclined connecting pieces, the self-limiting working effect is realized, and the practicability of the device is ensured;
2. the third air bags are arranged in a fit distribution manner, and in the process that the limiting block is stressed to move downwards, the first air bag which is contacted with the limiting block is extruded by the same-name magnet at the lower end, so that the pressurized first air bag applies pressure to the inside of the third air bag at the tail end to enable the third air bag to deform and expand and further correspond to the lower end of the limiting block, the third air bag which is soft in ground legs and the rubber ring are used for reducing the extrusion force of the third air bag in unit area of the contact surface of the third air bag and the rubber ring, and the phenomenon that the device is damaged by materials is avoided while the positioning stability of the device;
3. be provided with wedge structure and support the touch multitouch, along with the stopper along with the in-process that the sliding seat shifts up, its upper end will contact with the inside second gasbag of supporting seat thereupon, and then makes the expansion of butt joint gain bellows and promotes 2 groups wedge guide blocks and contradict the piece activity and move down for the rubber that moves outward supports the touch multitouch with the upper end contact of material, realizes the secondary from spacing working effect, has improved the processing stability of device.
Drawings
FIG. 1 is a schematic cross-sectional structural view of the present invention;
FIG. 2 is a front cross-sectional structural view of a guide rack of the present invention;
FIG. 3 is a rear view of the limiting block of the present invention;
FIG. 4 is a side sectional view of the gas delivery channel of the present invention;
FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
FIG. 6 is a schematic bottom view of the support base of the present invention.
In the figure: 1. a base; 2. a supporting seat; 3. a first cylinder; 4. presetting a piece; 5. a second cylinder; 6. a movable seat; 7. a containing groove; 8. a guide rack; 9. a first air bag; 901. a gas transmission channel; 902. an adhesive layer; 10. a magnet; 11. a transmission gear; 12. a first torsion spring; 13. a limiting block; 1301. a connecting member; 1302. a second torsion spring; 1303. a rubber ring; 14. a fixed block; 15. a second air bag; 16. an air supply hose; 17. a guide groove; 18. a bellows; 19. a guide block; 20. a contact block; 21. a through hole; 22. a return spring; 23. a third air cell; 24. and (6) pulling the rope.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a protective film positioning mechanism of a film screen printer comprises a base 1, a supporting seat 2, a first air cylinder 3, a preset part 4, a second air cylinder 5, a movable seat 6, a containing groove 7, a guide rack 8, a first air bag 9, a magnet 10, a transmission gear 11, a first torsion spring 12, a limiting block 13, a fixed block 14, a second air bag 15, an air supply hose 16, a guide groove 17, a corrugated pipe 18, a guide block 19, a collision block 20, a through hole 21, a reset spring 22, a third air bag 23 and a traction rope 24, wherein the supporting seat 2 is fixedly connected to the upper end of the base 1, the first air cylinder 3 is mounted on an upper end bolt of the supporting seat 2, the preset part 4 is fixedly connected to the output end of the first air cylinder 3, the second air cylinder 5 is mounted on a rear end bolt of the base 1, the movable seat 6 is fixedly connected to the lower portion of the output end of the second air cylinder 5, and the, an accommodating groove 7 is formed in the inner side of the movable seat 6, a guide rack 8 is nested and installed on the outer side of the accommodating groove 7, a first air bag 9 is connected to the inner side of the accommodating groove 7 in a bonding mode, the first air bag 9 is connected with the lower end of the guide rack 8, a limiting block 13 is fixedly connected to the upper end of the guide rack 8, a fixing block 14 is fixedly connected to the upper end of the limiting block 13, magnets 10 are fixedly connected to the outer sides of the first air bag 9 and the guide rack 8, a third air bag 23 is connected to the upper end of the movable seat 6 in a bonding mode, the third air bag 23 is communicated with the first air bag 9, a transmission gear 11 is connected to an inner side bearing of the movable seat 6, a first torsion spring 12 is fixedly connected to the inner end of the transmission gear 11, the first torsion spring 12 is connected to the inner side of the movable seat 6, a, the inner end of the supporting seat 2 is connected with a second air bag 15 in an adhering mode, an air supply hose 16 penetrates through the upper end of the second air bag 15, a guide groove 17 is formed in the inner surface of the supporting seat 2, a corrugated pipe 18 is connected to the inner side of the guide groove 17 in an adhering mode, the corrugated pipe 18 is connected with the air supply hose 16, a guide block 19 is installed on the inner side of the guide groove 17 in an embedded mode, the inner end of the guide block 19 is connected with the outer side of the corrugated pipe 18, a through hole 21 is formed in the inner side of the supporting seat 2, an abutting block 20 is installed on the inner side of the through hole 21 in an embedded mode, the outer end of the abutting block 20 is connected with the outer end of the guide block 19, a through hole 21 is formed in the lower end of the supporting seat 2, the through hole 21 is.
The movable seat 6 and the outer side of the supporting seat 2 form a telescopic structure through the second cylinder 5, the movable seat 6 and the transmission gear 11 form an elastic structure through the first torsion spring 12, the transmission gear 11 and the upper end of the base 1 form a rotating structure through the traction rope 24, and the movable seat 6 moving upwards along with the second cylinder 5 can stably drive the connected transmission gear 11 to synchronously rotate at an angle through the traction rope 24 on the outer side;
the guide rack 8 and the limiting block 13 are of an integrated structure, the limiting block 13 and the inner side of the movable seat 6 form a telescopic structure through the guide rack 8, the lower end of the guide rack 8 and the first air bag 9 form a magnetic structure through the magnet 10, and the guide rack 8 which moves in position can be stably matched with the magnet 10 of a different magnetic pole to synchronously extrude the first air bag 9 which is in contact with the first air bag;
the first air bag 9 is provided with an air transmission channel 901 and an adhesive layer 902, the outer end of the first air bag 9 is provided with the air transmission channel 901 in a penetrating mode, the inner side of the edge end of the air transmission channel 901 is connected with the adhesive layer 902 in an adhesive mode, the outer end of the air transmission channel 901 is connected with the inner side of the third air bag 23, 4 adhesive layers 902 are arranged on the inner side of the edge end of the air transmission channel 901 at equal angles, the outer surfaces of the adhesive layers 902 are attached to each other, the adhesive layers 902 are made of elastic silica gel materials, and the air supply state of the first air bag 9 can be stably adjusted and controlled automatically through the adhesive layers 902;
the limiting block 13 is provided with a connecting piece 1301, a second torsion spring 1302 and a rubber ring 1303, the inner end of the limiting block 13 is connected with the connecting piece 1301 through a bearing, the shaft end of the connecting piece 1301 is fixedly connected with the second torsion spring 1302, the tail end of the connecting piece 1301 is rotatably connected with the rubber ring 1303, the front view of the connecting piece 1301 is in an inclined structure, the connecting piece 1301 and the inner surface of the limiting block 13 form a rotating elastic structure through the second torsion spring 1302, the outer surface of the rubber ring 1303 at the lower end of the connecting piece 1301 is attached to the upper end face of the movable seat 6, and the connecting piece 1301 at the lower end can be stably driven by the limiting block 13 which is pressed to move;
the front views of the guide block 19 and the abutting block 20 are both in a wedge-shaped structure, the outer surface of the guide block 19 is attached to the outer surface of the abutting block 20, the guide block 19 forms a telescopic structure with the inner side of the supporting seat 2 through the corrugated pipe 18, the pressed corrugated pipe 18 can stably push the guide block 19 on the outer side to move outwards synchronously, and then the guide block and the abutting block 20 are in contact with each other to apply force to extrude the work
The contact block 20 forms a telescopic structure through the inner side of the reset spring 22 and the through hole 21, the lower end face of the contact block 20 is attached to the upper end face of the movable seat 6, the outward moving guide block 19 can stably extrude the attached contact block 20 to move downwards, and then secondary limiting work is carried out on the upper end of an object through the contact block.
The working principle is as follows: when the protective film positioning mechanism of the film screen printer is used, according to the graph shown in fig. 1-3, the device is firstly placed at the position to be operated, and is powered on, then the required material can be stably placed at the upper end of the movable seat 6, after the position is determined, the user can start the second air cylinder 5 to drive the movable seat 6 and the material to move upwards to correspond to the lower end position of the supporting seat 2, when the material is driven by the second air cylinder 5 to contact with the lower end of the preset piece 4 along with the movable seat 6, the transmission gear 11 butted with the inner side of the movable seat 6 through the traction rope 24 is stressed along with the material, and the first torsion spring 12 at the inner end is rolled to carry out angular rotation operation, and then the corresponding guide rack 8 in meshing contact is driven to move downwards with the limiting block 13, at the moment, the connecting piece 1301 at the inner end of the limiting block 13 presses the second torsion spring 1302 in advance, the lower end of the rubber ring 1303 is rotatably connected to apply force to the outer end of the material, and the self-limiting working effect is achieved;
according to the figures 1, 4 and 6, in the process that the limiting block 13 and the guide rack 8 are stressed to move downwards, the lower end of the limiting block is in contact with the first air bag 9 in advance, the contacted first air bag 9 is extruded through the repulsive force of the homonymic magnet 10 at the lower end, the pressed first air bag 9 is pressed into the third air bag 23 with the butted tail end through the air conveying channel 901 to deform and expand the pressed first air bag, the pressing force of the pressed first air bag and the material contact surface in unit area is reduced through the third air bag 23 with soft ground feet and the rubber ring 1303, the positioning stability of the device is ensured, and the phenomenon that the device damages the material is avoided;
according to the figures 1 and 4-6, when the limiting block 13 is driven by the movable seat 6 and the second cylinder 5 to move upwards to correspond to the lower end of the supporting seat 2, the fixed block 14 at the upper end of the limiting block 13 contacts with the second air bag 15, so that the limiting block is pressed to supply air to the interior of the corrugated pipe 18 through the air supply hose 16, the wedge-shaped guide block 19 which is expanded to the corrugated pipe 18 and pushes contact is moved inwards, the wedge-shaped guide block is contacted with the contact block 20, the reset spring 22 at the lower end of the limiting block is moved downwards under the stress, the rubber contact block 20 which is moved outwards is contacted with the inner side of the upper end of the material, the secondary self-limiting working effect is realized, the processing stability of the device is improved, and the overall practicability is increased.
Those not described in detail in this specification are within the skill of the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.